193 results about "Dasatinib" patented technology

Provided herein are methods and uses for treatment or prophylaxis of a senescent cell associated disease or disorder by administering a senolytic combination comprising dasatinib and quercetin or an analog thereof to a subject in need thereof. In certain embodiments, the senescent cell associated disease or disorder is a cardiovascular disease or disorder, inflammatory disease or disorder, a pulmonary disease or disorder, a neurological disease or disorder, or a metabolic disease or disorder.

The invention provides a eutectic complex composed of resveratrol and a protein kinase inhibitor, and a composition comprising the eutectic complex. The eutectic complex is characterized in that the protein kinase inhibitor is selected from one of imatinib, gefitinib, erlotinib, sunitinib, sorafenib, dasatinib, lapatinib, nilotinib, pazopanib, afatinib, crizotinib, axitinib, regorafenib, ibrutinib, lenvatinib, palbociclib, osimertinib and alectinib or pharmaceutically acceptable salt thereof. The eutectic complex provided by the invention can produce synergistic effects of inhibiting histamine release.

A method for treating or inhibiting artery obstructive disease, such as restenosis after angioplasty and stenting procedures and stenosis after coronary artery bypass surgery, in a subject by administering to the subject a therapeutically effective amount of dasatinib or a derivative thereof Also provided are drug-eluting medical devices, including stents, having a therapeutically effective amount of dasatinib.

The invention discloses a new method for synthesizing dasatinib. The method comprises the following steps: a compound 38 and a compound 8 are subjected to amidation reaction to obtain a compound 7; and the compound 7 reacts with a compound 10 under alkaline condition to obtain dasatinib I. The method provided by the invention has the following advantages: the method is mild in reaction conditions, simple to operate, convenient for purification, low in production cost, environmental-friendly and suitable for industrial production.

The invention belongs to the field of medicinal preparations and in particular relates to a Dasatinib dispersoid, a preparation method thereof and an application thereof in preparation of Dasatinib dispersible tablets. Dasatinib solid dispersoid is prepared by using Dasatinib as an active ingredient and is prepared into tablets of different specifications. The Dasatinib solid dispersible tablets overcome the defects of incomplete release of the medicine and low bioavailability caused by that the dispersible common oral tablets are easy to adhere in the medicine releasing process, so that the bioavailability of the Dasatinib medicine can be further improved and the therapeutic effect of the medicine can be effectively exerted. The preparation process is simple, convenient and practical.

The invention relates to a dasatinib liposome preparation, and a preparation method thereof. The dasatinib liposome preparation is high in biocompatibility; target modification can be carried out; sustained and controlled release of dasatinib can be realized; and it is beneficial for maintenance of relatively high plasma drug concentration in a long term, improvement of drug distribution, and increasing of drug bioavailability. The dasatinib liposome preparation possesses excellent lipophilic performance, is capable of passing through phospholipid bilayer in a molecular form and entering into inner water phase; pH value of liposome inner water phase is relatively low, the dasatinib moleculars are capable of bonding with hydrogen ions so as to form dasatinib ions, and combination with anions in an ammonium salt solution and forming of insoluble salts are realized, diffusion of dasatinib in the inner water phase into an outer water phase is inhibited, dasatinib is coated by the liposome inner water phase steadily, encapsulation efficiency and storage stability are improved, and excellent in-vitro slow release effect is achieved.

The invention provides novel anti-cancer precursor medicaments using NGR(NO2) as a targeting carrier. The novel anti-cancer precursor medicaments are prepared by designing and synthesizing a 5-fluorouracil precursor medicament, a lenalidomide precursor medicament, a cytarabine precursor medicament, an epirubicin precursor medicament and a dasatinib precursor medicament. According to the initial research on the anti-tumor activity of the 5-fluorouracil precursor medicament, the 5-fluorouracil precursor medicament can inhibit the invasion and metastasis of tumor cells and the growth of solid tumors. The 5-fluorouracil precursor medicament is modified in both effectiveness and preparation compared with the 5-fluorouracil serving as a parent medicament and is widely applicable. Concretely, the invention mainly relates to three aspects: (1) design and antiangiogenic effect of a novel tumor-targeted tripeptide NGR(NO2); (2) preparation of anti-cancer precursor medicaments by coupling the tumor-targeted tripeptide NGR(NO2) and 5 anti-cancer medicaments through covalent bonds; and (3) antitumor and antiangiogenic medical use of the novel 5-fluorouracil precursor medicament.

The invention discloses a dasatinib tablet, which comprises dasatinib and pharmaceutically-acceptable medicinal auxiliary materials, and is characterized in that: the dasatinib is an anhydride of which the particle size D(0.1) is equal to 3.0-10 mum, D(0.5) is equal to 15-60 mum and D(0.9) is equal to 100-150 mum. A qualified dasatinib tablet is prepared by taking the dasatinib anhydride as a raw material, so that the problems of over-high dissolution rate of a tablet prepared from the anhydride, untoward reactions caused by initial burst release of a medicament, reduction in the acting time, easy occurrence of unqualified dissolution rate and the like, which are caused by relatively high water saturation solubility of the dasatinib anhydride, are solved, and the industrial batch production requirements of low cost, simple process and qualification on a dasatinib raw material and a preparation can be met.

The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.

The invention provides an application of a compound containing tyrosine kinase inhibitor and resveratrol in preparing antitumor drugs. The application is characterized in that the tyrosine kinase inhibitor is selected from one of imatinib, gefitinib, erlotinib hydrochloride tablets, sorafenib, dasatinib tablets and tasigna or pharmaceutically acceptable salts or solvates or pharmaceutically acceptable salt solvents thereof; the tumor is selected from one of gastric cancer, liver cancer, lung cancer, kidney cancer, cervical cancer, pancreatic cancer, breast cancer, esophagus cancer, nasopharynxcancer and ovarian cancer; the mole ratio of resveratrol to tyrosine kinase inhibitor is (1-100):1.

The invention provide a preparation method for Dasatinib N-6 crystal form, which dissolves the Dasatinib in the methanol and then cools and crystallizes to obtain the above Dasatinib N-6 crystal form.

The present invention is based on BCR-ABL1 splice variants which result from insertion and/or truncation of the bcr-abl1 transcript and the finding that these variants provide resistance to kinase domain inhibitors such as imatinib, nilotinib and dasatinib.

The invention relates to a new Dasatinib crystal form and a preparation method thereof. The new Dasatinib crystal form is named as a crystal form V and has characteristic peaks at 6.02 degrees, 6.91 degrees, 8.55 degrees, 12.44 degrees, 13.30 degrees, 13.84 degrees, 16.83 degrees, 24.41 degrees and 24.96 degrees (2theta) in an X ray powder diffraction spectrum obtained by means of Cu-Ka radiation detection. The invention also provides a method for preparing the new Dasatinib crystal form V. The method is simple, convenient and good in reproducibility, and the obtained new Dasatinib crystal form V is high in purity, good in stability and applicable to industrial production.

The invention provides a new dasatinib polycrystalline form medicament and a preparation method thereof. In a powder diffraction spectrum of a dasatinib polycrystalline form matter III provided by the invention, diffraction peaks exist at 2 theta of 6.2 plus or minus 0.2, 12.0 plus or minus 0.2, 15.3 plus or minus 0.2 and 18.4 plus or minus 0.2. The crystal form prepared by the preparation method provided by the invention has good chemical stability and high purity. The preparation method has the advantages of mild process conditions, simplicity in operation, stable and controllable quality and high yield, and is suitable for industrial production.

The invention relates to a medicinal dasatinib composition and preparation method thereof. The composition comprises an effective amount of dasatinib and medicinal auxiliary materials, wherein dasatinib is an anhydride, and the medicinal materials comprise 3-15 percent by weight of retardant; the retardant is a hydrophilic gel material, and is selected from hydroxypropylmethyl cellose, methyl cellulose, carbopol or alginate. The invention also provides a preparation method of the medicinal dasatinib composition. According to the medicinal dasatinib composition, the microenvironment of the solid preparation can be improved due to the retardant, so that the preparation stability can be improved on one hand, and on the other hand, the dissolution velocity of the oral preparation can be controlled. The medicinal dasatinib composition is simple in process and low in cost, and does not have pollution.

The present invention provides a culture method for increasing amplification efficiency and activity of Vgamma9Vdelta2T cells, wherein IL-2 and zoledronic acid are combined with a tyrosine kinase inhibitor dasatinib to carry out in vitro Vgamma9Vdelta2T cell induction production to obtain the Vgamma9Vdelta2T cells with high induction efficiency and high activity. According to the present invention, the method has characteristics of simple and easy performing induction culture process, short period, low cost, high induction efficiency and good repeatability, the cells obtained through induction has enhanced activity, the tumor immunotherapy effect of the current Vgamma9Vdelta2T cells is expected to be increased with the number and the function of the induction-cultured cells, and good application potential is provided.

The invention provides thiazole heterocyclic compounds, and a preparation method and application thereof. The thiazole heterocyclic compounds have a general structural formula as described in the specification. Results of cell-level experiments show that the thiazole heterocyclic compounds provided by the invention can inhibit proliferation of K562, HL60 and KGla cells. In particular, the compound (compound 4c) in an embodiment 3 can also inhibit proliferation of K562, HL60 and KGla cells under the condition that the concentration of the compound is lower than the concentration of a positive control drug dasatinib. Thus, the thiazole heterocyclic compounds provided by the invention can be used for treating leukemia.

Polymorph I of dasatinib monohydrate and Polymorph II of dasatinib, their preparation methods and pharmaceutical compositions containing the same are provided. These polymorphs have better physicochemical properties, are more stable and are more suitable for industrial scale production.

The invention discloses a polyethylene glycol-amino acid oligopeptide-dasatinib conjugate represented by a general formula I and a pharmaceutical composition containing the conjugate. In the conjugate, PEG represents polyethylene glycols residues, A1 and A2 represent same or different amino acid residues, m is an integer from 2 to 12, and D is a dasatinib residue connected with A2. In the conjugate, each polyethylene glycol terminal group is connected with multiple dasatinib residues via amino acid oligopeptides, so that the medicine loading rate is substantially increased, the medicine hydrophilia is increased, medicine absorption is improved, the action time is prolonged, and therefore the treatment effect is increased or the toxic and side effects are reduced.

The invention relates to a preparation method of high-purity dasatinib and a by-product of the dasatinib and belongs to the technical field of medicines. An optimized preparation method of the dasatinib is disclosed, and the prepared dasatinib is high in product purity and low in compound 6 content. The invention further discloses the by-product of the dasatinib and a synthetic method. The by-product which is difficult to separate is generated in a synthetic process of the dasatinib, and the by-product is determined to be a compound 6 through systemization and identification. The compound has important significant on quality control of the dasatinib. A structural formula of the compound 6 is shown in the specification.

The invention discloses a medicine composition of a tyrosine kinase inhibitor and a histone deacetylase inhibitor. The prepared medicine composition comprises a tyrosine kinase inhibitor and a histone deacetylase inhibitor according to a mass ratio of (0.5:1)-(1:4). The tyrosine kinase inhibitor is selected from imatinib, dasatinib, nilotinib, gefitinib and the like; and the histone deacetylase inhibitor is selected from short-chain fatty acid such as butyric acids and valproic acids, hydroxamic acids such as trichostatin A, cyclic tetrapeptides and benzamides. Compared with the tyrosine kinase inhibitor of treating tumors by one target, the medicine composition has the advantages of strong treatment effect, high medicine tolerance, and small clinical medicine dosage, and is applied clinically by using a medicine preparation form.

The invention relates to the field of pharmaceutical chemistry, in particular to the synthesis field of dasatinib and novel preparation and refining methods of the dasatinib. The preparation method of the dasatinib comprises the step of allowing an intermediate N-(2-chlorine-6-methoxyphenyl)-2[(6-chlorine-2-methyl-4-pyrimidyl) amino]-5-thiazole formamide to perform homogeneous nucleophilic substitution reaction with 1-(2-ethoxyl) piperazine in a high-polar solvent. The preparation method solves the problems that n-butyl alcohol is adopted as a solvent in the traditional synthesis method, the cost is high, the reaction time is long, the reaction temperature is high, and the requirements on a reaction vessel are high. The invention provides a simple and feasible refining method, which improves the purity of the dasatinib effectively.